25461585 has 12 divisors (see below), whose sum is σ = 44133492. Its totient is φ = 13579488.

The previous prime is 25461551. The next prime is 25461589. The reversal of 25461585 is 58516452.

It can be written as a sum of positive squares in 2 ways, for example, as 6066369 + 19395216 = 2463^2 + 4404^2 .

It is not a de Polignac number, because 25461585 - 2⁶ = 25461521 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25461589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282862 + ... + 282951.

It is an arithmetic number, because the mean of its divisors is an integer number (3677791).

Almost surely, 2^25461585 is an apocalyptic number.

It is an amenable number.

25461585 is a deficient number, since it is larger than the sum of its proper divisors (18671907).

25461585 is a wasteful number, since it uses less digits than its factorization.

25461585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565824 (or 565821 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 25461585 is about 5045.9473837923. The cubic root of 25461585 is about 294.1903875810.

The spelling of 25461585 in words is "twenty-five million, four hundred sixty-one thousand, five hundred eighty-five".